Abstract:

The Bayu terraced human settlement is an on-site living cultural heritage site that responds to natural features such as mountainous landforms and seasonal hydrology. Research into the site selection, technology, and combination of Bayu terraced human settlements can provide historical insight for the construction of resilient urban and rural developments in the southwest mountainous areas and the simultaneous protection of small and micro wetlands. Complete and representative remote sensing images of terraced fields in the Bayu area, combined with historical data analysis and field investigation using the visual landscape schema language, this study analyzed the single-terraced water conservancy technology, the spatiotemporal combination model of this technology, and the three construction characteristics of the terraced human settlement environment. As a result, the landscape schema system of the Bayu-terraced human settlement system was constructed. First, the research found that, in response to the Bayu Mountain topography and the rainfall characteristics of "spring drought and summer flood," a series of in-terrain terraced water conservancy technologies have been formed, such as winter paddy field for the autumn and spring, flushing fields for flood discharge in the summer, and hoarding paddy fields for closing water in all seasons. Second, Bayu terraced water conservancy technology forms a water resource management model of "autumn storage, winter fertility, spring ploughing, summer drainage" adapted to "spring drought and summer flooding", and a combination of "high storage, low irrigation" that conforms to the geomorphology that is formed. Finally, the terraced human settlement responds to the difference in water safety under the influence of geomorphology, presenting an "organic dispersion type" terraced human settlement pattern in low-mountainous hilly areas where the intersecting terraced base and the conservation forest and the scattered residential patches nest occlusion. The conservation forest is a "large area concentration type" terraced human settlement pattern in low-mountainous hilly areas where the intersecting terraced base and the conservation forest and the scattered residential patch nest in occlusion. In summary, Bayu terraced water conservancy technology types, combination methods, and the construction mode of terraced human settlements in mountainous topography integrate with Bayu's unique geographical geomorphology and hydrological conditions. These are important for the current low-impact development and construction of urban and rural areas and the protection of traditional construction wisdom. There are also positive references.

Key words: terraced water conservancy technology, terraced human settlement, local construction, landscape schema language, Bayu Area